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TypeError: can only concatenate str (not “list“) to str(清單和字元串的報錯解決方法)

部分源代碼:

TypeError: can only concatenate str (not “list“) to str(清單和字元串的報錯解決方法)

報錯:

TypeError: can only concatenate str (not “list”) to str

類型錯誤:隻能連接配接str(不是“清單”)到str

debug操作:str()類型轉換

TypeError: can only concatenate str (not “list“) to str(清單和字元串的報錯解決方法)
TypeError: can only concatenate str (not “list“) to str(清單和字元串的報錯解決方法)
class User:
    """表示一個簡單的使用者配置檔案。"""
    def __init__(self, first_name, last_name, username, email, location):  # location表位置
        """初始化使用者"""
        self.first_name = first_name
        self.last_name = last_name
        self.username = username
        self.email = email
        self.location = location
        self.login_attemps = 0

    def describe_user(self):
        """顯示使用者資訊的摘要"""
        print("\n" + self.first_name + " " + self.last_name)
        print("    Username: " + self.username)
        print("    Email: " + self.email)
        print("    Location: " + self.location)

    def greet_user(self):
        """向使用者顯示個性化的問候"""
        print("\n Welcome back, " + self.username + "!")

    def increment_login_attmpts(self):
        """增加登入嘗試的值"""
        pass

    def reset_login_attempts(self):
        """重置登入嘗試為0"""
        pass


class Admin(User):
    """具有管理權限的使用者。"""

    def __init__(self, first_name, last_name, username, email, location):
        # super()
        """初始化管理。"""
        super().__init__(first_name, last_name, username, email, location)
        self.privileges = []
        # privileges表示權力

    def show_privileges(self):
        """顯示此管理者擁有的特權"""
        print("管理者的權力有:" + str(self.privileges))


shi_li = Admin("楊", "錢生",  "Administrator", "[email protected]", "上海")
shi_li.privileges = ["可建立檔案","可删除使用者","可以禁止使用者的權限"]
shi_li.describe_user()
shi_li.show_privileges()